Calculate the amount of heat needed to boil 118. g of octane (C,H,), beginning from a temperature of 78.7 °C. Be sure your answer has a unit symbol and the correct number of significant digits.

Q: An experiment was conducted to determine the specific heat of platinum. It was determined that 158.8…

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Q: When 762 joules of heat is added to a sample of solid copper (Cu), the temperature rises from 18.2…

A: We will use formula of heat

Q: If 32.2 g of ethanol at 21.5 °C absorbs 2.39 kJ of heat, what is the final temperature (in C) of the…

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Q: Given the specific heat for aluminum is 0.9000 J/g·K, how much heat (q in Joules (J)) is released…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 796.0 mg sample…

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Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: Calculate the amount of heat needed to boil 108. g of acetic acid (HCH,CO,), beginning from a…

A: Given data, Mass of acetic acid (m) = 108 g Begining temperature (T1) = 99.4 °C T1 = (99.4 + 273.15…

Q: How much heat is given off to the surroundings when 7 g of aluminum reacts according to the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: Suppose you want to build a fancy supercomputer. The machinery will produce a lot of heat, so you…

A: Given data: Specific heat of ethylene glycol = 2.36 kJ/kg∙K Specific heat of water = 4.19 kJ/kg∙K…

Q: 125 mLmL of H2OH2O is initially at room temperature (22.0∘C∘C). A chilled steel rod at 2.0∘C∘C is…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

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Q: Calculate the amount of heat needed to boil 12.3g of acetic acid (HCH3CO2), beginning from a…

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Q: A chemical substance has a specific heat of 0.897 J/g-ºC. If an unknown mass of this substance is…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: Calculate the energy required to heat 778.0 g of iron from -4.0 °C to 8.2 °C. Assume the specific…

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Q: A sample of water absorbs 3.00 × 103 J of heat energy and its temperature rises from 20.0 oC to 31.2…

A: The temperature change of water is determined as given below,

Q: A chemist carelully experiment shows that 0.84 J of heat are needed. What can the chemist report for…

A: Solution - According to the question - Given - T1 = 14.7 °C T2 = 19.9 °C Heat needed = 0.84 J Mass…

Q: Calculate the energy, in joules, to heat a cube of gold with a volume in of 12.0cm^3 from 15 Celsius…

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Q: Calculate the amount of heat needed to boil 184. g of acetic acid (HCH,CO,), beginning from a…

A: Let's assume that, the energy required to raise the temperature of acetic acid from its initial…

Q: 4. If 5.524 x 10°J of heat is applied to a 702.1 g sample of iron, by how many degrees Celsius will…

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Q: "Mercury was once used in thermometers and barome-ters. When 46.9 J of heat are absorbed by 100.0 g…

A: To calculate the specific heat of mercury By using the formula,     Q = mC∆T C = specific heat…

Q: Determine the amount of heat energy in joules required to raise the temperature of 7.40g of water…

A: Given:  Mass of water = 7.40 g  Initial temperature = 29°C Final temperature = 46°C Standard data:…

Q: Determine the total heat evolved in Joules in a solution of 19 mL of NAOH and 19 mL of HCI…

A: Given, Volume of NaOH = 19 mL Volume of HCl = 19 mL Initial temperature, Ti=26.8°C Final…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 693.0 g sample…

A: given, the mass of the sample = 693.0 g the temperature rises from initial temperature, T1 = 17.1 oC…

Q: How much energy does it take to raise the temperature of  48g of liquid water by 43oC? Please round…

A: Given: Mass = 48 g Change in temperature = 43°C

Q: When 126.0 mL of water at 26.0 ° C is mixed with 66.0 mL of water at 85.0 ° C, what is the final…

A: Given are two samples of water.  The mass of water in two samples can be calculated as

Q: Determine the total heat evolved in Joules in a solution of 20 mL of NaOH and 19 mL of HCI…

A: Given: Volume of NaOH solution added = 20 mL  Volume of HCl solution added = 19 mL Initial…

Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  338.0mg…

A: The mass of the pure substance in kilogram can be written as 338.0 × 10-6 kg. The specific heat…

Q: 10. Heat flow is a directional quantity. Heat flows from a warmer body to a colder body. The SI unit…

A: Heat is a form of energy. Energy is the capacity to do work. The process which takes place on it's…

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: The quantity of heat required to change the temperature of 1g of a substance by one degree Celsius…

A: The answer is given as :

Q: An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 ºC. The  sample…

A: Given, Amount of heat required (Q) = 567 J Initial temperature (Ti) = 0°C Final temperature (Tf) =…

Q: How much heat must be absorbed by a 13.0 g sample of water to raise its temperature from 13.0°C to…

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Q: A 20.94 g sample of a metal is heated to 99.4°C in a hot water bath until thermal equilibrium is…

A: The heat lost by the metal is determined as follows,

Q: When 375 mL of water (d = 1.00g/mL) at 32°C are mixed with 125 mL of water at 92°C, what is the…

A: Mass of 375 mL water and 125 mL water is calculated as follows,

Q: An 49.84 g sample of aluminum is placed on a 43.49 g sample of copper initially at 85.24°C. If the…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only. 1)…

Q: The specific heat of an unknown metal is calculated to be 3.74J/g*c. What is the mass of the sample…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: How much energy (in Joules) is required to raise the temperature of 10.0 g of H2O(l) by 10.0 oC?…

A: Heat required ,Q = mass×specific heat capacity×∆T Q = mc∆T     mass,m = 10 g c = 4.186 J/g-oC ∆T =…

Q: The specific heat of toluene (C7H8), is 1.13 J/g.K. How many joules of heat are needed to raise the…

A: The given data is as follows:  The specific heat of toluene = 1.13 J/g.K The mass of toluene = 62.0…

Q: Calculate the amount of heat needed to boil 156. g of ethanol (CH,CH,OH), beginning from a…

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Q: Calculate the amount of heat needed to boil 45.2g of acetic acid (HCH3CO2), beginning from a…

A: The given problem can be solved by using the formula given below as;…

Q: 12. A ring with a mass of 25.5 g appears to be pure silver. Rather than test for density, you can…

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Q: You are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup…

A: Given data,Mass of water=98.4gInitial temperature of water=25.05oCFinal…

Q: Calculate the quantity of heat required to warm 1.25 L of water from 22.0°C to 98.0°C in an electric…

A: We have 1.25 L of water , initial and final temperature are 22°C and 98°C, we have to calculate the…

Q: Calculate the amount of heat needed to boil 193. g of octane (C3H13), beginning from a temperature…

A: The amount of heat needed for boiling of octane can be calculated by using following formula - Q = m…

Q: A sample of lead pellets with a mass of 26.47 g that has an initial temperature of 89.98 degrees C…

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Q: A 31.6 gram lead ball at 25.0 °C was heated with 56.3 joules of heat. What is the final temperature…

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Q: Calculate the amount of heat needed to boil 99.5 g of acetic acid (HCH,CO,), beginning from a…

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Q: A total of 54.0 Joules of heat are observed as 58.3g of lead is heated from 12.0°C to 42.0°C. From…

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Q: How much heat is given off to the surroundings when 6 g of aluminum reacts according to the…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…